COVER INFORMATION Station: JODRELL1 (Code Jb ) Experiment: 6cm global VLBI observations of Arp299 Exp. Code: GP053G Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Miguel Perez-Torres Address: Instituto de Astrofisica de Andalucia - CSIC Glorieta de la Astronomia s/n 18008 Granada, Spain Phone: +34-665252538 EMAIL: torres@iaa.es Fax: Phone during observation: +34-665252538 Observing mode: PFB Notes: Phase-ref of Arp 299A with global VLBI 14th epoch obs-ns at 6cm; Re-obsns of global 6cm VLBI observation Schedule for JODRELL1 (Code Jb ) Page 2 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Jun 2015 Day 156 --- Next scan frequencies: 4940.75 4940.75 4940.75 4940.75 4972.75 4972.75 4972.75 4972.75 5019.25 5019.25 5019.25 5019.25 5051.25 5051.25 5051.25 5051.25 Next BBC frequencies: 100.75 100.75 100.75 100.75 132.75 132.75 132.75 132.75 179.25 179.25 179.25 179.25 211.25 211.25 211.25 211.25 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 20 30 00 4C39.25 13 16 33 49.1 273.4 3.8 50.2 0 0 20 30 00 20 31 00 --- 13 17 33 49.0 273.6 3.8 50.2 60 8 20 30 01 20 31 17 4C39.25 13 17 50 48.9 273.6 3.8 50.2 10 8 20 31 17 20 32 27 --- 13 19 01 48.8 273.8 3.9 50.2 70 17 20 31 18 20 32 27 4C39.25 13 19 01 48.8 273.8 3.9 50.2 -6 17 No stop 20 34 57 --- 13 21 31 48.4 274.3 3.9 50.1 144 36 20 32 28 20 35 14 J1128+5925 13 21 48 73.4 302.7 1.9 99.1 -179 36 20 35 14 20 38 24 --- 13 24 59 73.0 302.5 1.9 98.2 11 60 20 35 15 20 38 24 J1128+5925 13 24 59 73.0 302.5 1.9 98.2 -6 60 No stop 20 39 14 --- 13 25 49 72.9 302.5 1.9 98.0 44 67 20 38 25 20 39 14 ARP299 13 25 49 73.0 299.6 1.9 95.3 -27 67 No stop 20 44 32 --- 13 31 08 72.3 299.4 2.0 94.0 291 107 20 39 15 20 46 29 ARP299 13 33 05 72.1 299.3 2.1 93.5 109 107 20 46 29 20 51 49 --- 13 38 26 71.4 299.2 2.2 92.3 320 148 20 46 30 20 52 49 J1128+5925 13 39 26 71.1 301.9 2.2 94.5 34 148 20 52 49 20 53 39 --- 13 40 16 71.0 301.8 2.2 94.3 50 155 20 52 50 20 53 39 ARP299 13 40 16 71.1 299.2 2.2 91.9 -26 155 No stop 20 58 57 --- 13 45 35 70.4 299.1 2.3 90.7 292 196 20 53 40 21 00 54 ARP299 13 47 32 70.2 299.1 2.3 90.3 109 196 21 00 54 21 06 14 --- 13 52 53 69.5 299.1 2.4 89.1 320 237 21 00 55 21 07 14 J1128+5925 13 53 53 69.3 301.6 2.4 91.1 35 237 21 07 14 21 08 04 --- 13 54 43 69.2 301.6 2.4 90.9 50 243 21 07 15 21 08 04 ARP299 13 54 43 69.2 299.2 2.4 88.7 -25 243 No stop 21 13 22 --- 14 00 02 68.5 299.2 2.5 87.7 293 284 21 08 05 21 15 19 ARP299 14 02 00 68.3 299.3 2.5 87.3 109 284 21 15 19 21 20 39 --- 14 07 21 67.6 299.4 2.6 86.2 320 325 21 15 20 Schedule for JODRELL1 (Code Jb ) Page 3 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Jun 2015 Day 156 --- 21 21 39 J1128+5925 14 08 21 67.5 301.6 2.7 88.0 35 325 21 21 39 21 22 29 --- 14 09 11 67.3 301.6 2.7 87.9 50 331 21 21 40 21 22 29 ARP299 14 09 11 67.3 299.4 2.7 85.9 -24 331 No stop 21 27 47 --- 14 14 30 66.6 299.5 2.8 84.9 294 372 21 22 30 21 29 44 ARP299 14 16 27 66.4 299.6 2.8 84.5 109 372 21 29 44 21 35 04 --- 14 21 48 65.7 299.8 2.9 83.5 320 413 21 29 45 21 36 04 J1128+5925 14 22 48 65.6 301.9 2.9 85.2 36 413 21 36 04 21 36 54 --- 14 23 38 65.5 301.9 2.9 85.0 50 419 21 36 05 21 36 54 ARP299 14 23 38 65.5 299.8 2.9 83.2 -24 419 No stop 21 42 12 --- 14 28 57 64.8 300.1 3.0 82.3 294 460 21 36 55 21 44 09 ARP299 14 30 54 64.5 300.1 3.0 81.9 109 460 21 44 09 21 49 29 --- 14 36 15 63.8 300.4 3.1 81.0 320 501 21 44 10 21 50 29 J1128+5925 14 37 15 63.8 302.4 3.1 82.5 37 501 21 50 29 21 51 19 --- 14 38 06 63.7 302.4 3.2 82.3 50 508 21 50 30 21 51 19 ARP299 14 38 06 63.6 300.5 3.1 80.7 -23 508 No stop 21 56 37 --- 14 43 24 62.9 300.7 3.2 79.8 295 548 21 51 20 21 58 34 ARP299 14 45 22 62.7 300.8 3.3 79.5 109 548 21 58 34 22 03 54 --- 14 50 43 62.0 301.1 3.4 78.6 320 589 21 58 35 22 04 54 J1128+5925 14 51 43 62.0 303.0 3.4 79.9 37 589 22 04 54 22 05 44 --- 14 52 33 61.9 303.0 3.4 79.8 50 596 22 04 55 22 05 44 ARP299 14 52 33 61.7 301.2 3.4 78.3 -23 596 No stop 22 11 02 --- 14 57 52 61.1 301.5 3.5 77.4 295 637 22 05 45 22 12 59 ARP299 14 59 49 60.8 301.6 3.5 77.1 109 637 22 12 59 22 18 19 --- 15 05 10 60.1 302.0 3.6 76.2 320 678 22 13 00 22 19 19 J1128+5925 15 06 10 60.2 303.7 3.6 77.5 38 678 22 19 19 22 20 09 --- 15 07 00 60.0 303.8 3.6 77.3 50 684 22 19 20 22 20 09 ARP299 15 07 00 59.9 302.1 3.6 76.0 -22 684 No stop 22 25 27 --- 15 12 19 59.2 302.4 3.7 75.1 296 725 22 20 10 22 27 24 ARP299 15 14 17 59.0 302.5 3.7 74.8 109 725 22 27 24 22 32 44 --- 15 19 37 58.3 302.9 3.8 74.0 320 766 22 27 25 Schedule for JODRELL1 (Code Jb ) Page 4 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Jun 2015 Day 156 --- 22 33 44 J1128+5925 15 20 38 58.4 304.6 3.9 75.1 38 766 22 33 44 22 34 34 --- 15 21 28 58.3 304.6 3.9 75.0 50 772 22 33 45 22 34 34 ARP299 15 21 28 58.1 303.0 3.9 73.7 -22 772 No stop 22 39 52 --- 15 26 47 57.4 303.4 4.0 72.9 296 813 22 34 35 22 41 49 ARP299 15 28 44 57.2 303.6 4.0 72.6 109 813 22 41 49 22 47 09 --- 15 34 05 56.5 303.9 4.1 71.8 320 854 22 41 50 22 48 09 J1128+5925 15 35 05 56.6 305.5 4.1 72.8 39 854 22 48 09 22 48 59 --- 15 35 55 56.5 305.6 4.1 72.7 50 861 22 48 10 22 48 59 ARP299 15 35 55 56.3 304.1 4.1 71.5 -21 861 No stop 22 54 17 --- 15 41 14 55.6 304.5 4.2 70.7 297 901 22 49 00 22 56 14 ARP299 15 43 11 55.4 304.6 4.2 70.4 109 901 22 56 14 23 01 34 --- 15 48 32 54.7 305.0 4.3 69.6 320 942 22 56 15 23 02 34 J1128+5925 15 49 32 54.8 306.6 4.3 70.5 39 942 23 02 34 23 03 24 --- 15 50 22 54.7 306.6 4.4 70.4 50 949 23 02 35 23 03 24 ARP299 15 50 22 54.5 305.2 4.3 69.3 -21 949 No stop 23 08 42 --- 15 55 41 53.8 305.6 4.4 68.5 297 989 23 03 25 23 10 39 ARP299 15 57 39 53.6 305.8 4.5 68.2 109 989 23 10 39 23 15 59 --- 16 02 59 53.0 306.2 4.6 67.5 320 1031 23 10 40 23 16 59 J1128+5925 16 04 00 53.1 307.7 4.6 68.3 39 1031 23 16 59 23 17 49 --- 16 04 50 53.0 307.7 4.6 68.2 50 1037 23 17 00 23 17 49 ARP299 16 04 50 52.7 306.4 4.6 67.2 -20 1037 No stop 23 23 07 --- 16 10 09 52.1 306.8 4.7 66.4 298 1078 23 17 50 23 25 04 ARP299 16 12 06 51.9 307.0 4.7 66.1 110 1078 23 25 04 23 30 24 --- 16 17 27 51.2 307.5 4.8 65.4 320 1119 23 25 05 23 31 24 J1128+5925 16 18 27 51.4 308.8 4.8 66.1 40 1119 23 31 24 23 32 14 --- 16 19 17 51.3 308.9 4.8 66.0 50 1125 23 31 25 23 32 14 ARP299 16 19 17 51.0 307.6 4.8 65.1 -20 1125 No stop 23 37 32 --- 16 24 36 50.4 308.1 4.9 64.3 298 1166 23 32 15 23 39 29 ARP299 16 26 33 50.1 308.3 5.0 64.0 110 1166 23 39 29 23 44 49 --- 16 31 54 49.5 308.7 5.0 63.3 320 1207 23 39 30 Schedule for JODRELL1 (Code Jb ) Page 5 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 5 Jun 2015 Day 156 --- 23 45 49 J1128+5925 16 32 54 49.7 310.0 5.1 64.0 40 1207 23 45 49 23 46 39 --- 16 33 45 49.7 310.1 5.1 63.8 50 1213 23 45 50 23 46 39 ARP299 16 33 45 49.3 308.9 5.1 63.0 -20 1213 No stop 23 51 57 --- 16 39 03 48.7 309.4 5.2 62.2 298 1254 23 46 40 23 53 54 ARP299 16 41 01 48.5 309.6 5.2 61.9 110 1254 23 53 54 23 59 14 --- 16 46 22 47.8 310.1 5.3 61.2 320 1295 23 53 55 --- Sat 6 Jun 2015 Day 157 --- 00 00 14 J1128+5925 16 47 22 48.1 311.3 5.3 61.8 41 1295 00 00 14 00 01 04 --- 16 48 12 48.0 311.4 5.3 61.7 50 1302 00 00 15 00 01 04 ARP299 16 48 12 47.6 310.2 5.3 60.9 -19 1302 No stop 00 06 22 --- 16 53 31 47.0 310.7 5.4 60.2 299 1342 00 01 05 00 08 19 ARP299 16 55 28 46.8 310.9 5.4 59.9 110 1342 00 08 19 00 13 39 --- 17 00 49 46.2 311.4 5.5 59.1 320 1383 00 08 20 00 14 39 J1128+5925 17 01 49 46.5 312.6 5.5 59.7 41 1383 00 14 39 00 15 29 --- 17 02 39 46.4 312.7 5.6 59.6 50 1390 00 14 40 00 15 29 ARP299 17 02 39 46.0 311.6 5.6 58.8 -19 1390 No stop 00 20 47 --- 17 07 58 45.4 312.1 5.6 58.1 299 1431 00 15 30 00 22 44 ARP299 17 09 55 45.2 312.3 5.7 57.8 110 1431 00 22 44 00 28 04 --- 17 15 16 44.6 312.9 5.8 57.0 320 1472 00 22 45 00 29 04 J1128+5925 17 16 16 44.9 314.0 5.8 57.6 41 1472 00 29 04 00 29 54 --- 17 17 07 44.8 314.1 5.8 57.4 50 1478 00 29 05 00 29 54 ARP299 17 17 07 44.4 313.1 5.8 56.8 -19 1478 No stop 00 35 12 --- 17 22 25 43.8 313.6 5.9 56.0 299 1519 00 29 55 00 37 09 ARP299 17 24 23 43.6 313.8 5.9 55.7 110 1519 00 37 09 00 42 29 --- 17 29 44 43.0 314.3 6.0 55.0 320 1560 00 37 10 00 43 29 J1128+5925 17 30 44 43.4 315.4 6.0 55.4 41 1560 00 43 29 00 44 19 --- 17 31 34 43.3 315.5 6.0 55.3 50 1566 00 43 30 00 44 19 ARP299 17 31 34 42.8 314.5 6.0 54.7 -18 1566 No stop 00 49 37 --- 17 36 53 42.3 315.1 6.1 53.9 300 1607 00 44 20 Schedule for JODRELL1 (Code Jb ) Page 6 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 6 Jun 2015 Day 157 --- 00 51 34 ARP299 17 38 50 42.1 315.3 6.2 53.7 110 1607 00 51 34 00 56 54 --- 17 44 11 41.5 315.8 6.2 52.9 320 1648 00 51 35 00 57 54 J1128+5925 17 45 11 41.9 316.9 6.3 53.3 42 1648 00 57 54 00 58 44 --- 17 46 01 41.8 317.0 6.3 53.2 50 1654 00 57 55 00 58 44 ARP299 17 46 01 41.3 316.0 6.3 52.6 -18 1654 No stop 01 04 02 --- 17 51 20 40.8 316.6 6.4 51.9 300 1695 00 58 45 01 05 59 ARP299 17 53 18 40.6 316.8 6.4 51.6 110 1695 01 05 59 01 11 19 --- 17 58 38 40.0 317.4 6.5 50.8 320 1736 01 06 00 01 12 19 J1128+5925 17 59 39 40.4 318.4 6.5 51.2 42 1736 01 12 19 01 13 09 --- 18 00 29 40.3 318.5 6.5 51.1 50 1743 01 12 20 01 13 09 ARP299 18 00 29 39.8 317.6 6.5 50.6 -18 1743 No stop 01 18 27 --- 18 05 48 39.3 318.2 6.6 49.8 300 1783 01 13 10 01 20 24 ARP299 18 07 45 39.1 318.4 6.6 49.5 110 1783 01 20 24 01 25 44 --- 18 13 06 38.6 319.0 6.7 48.7 320 1824 01 20 25 01 26 44 J1128+5925 18 14 06 39.0 319.9 6.8 49.1 42 1824 01 26 44 01 27 34 --- 18 14 56 38.9 320.0 6.8 48.9 50 1831 01 26 45 01 27 34 ARP299 18 14 56 38.4 319.2 6.8 48.5 -17 1831 No stop 01 32 52 --- 18 20 15 37.9 319.7 6.8 47.7 301 1872 01 27 35 01 34 49 ARP299 18 22 12 37.7 320.0 6.9 47.4 110 1872 01 34 49 01 40 09 --- 18 27 33 37.2 320.6 7.0 46.7 320 1913 01 34 50 01 41 09 J1128+5925 18 28 33 37.6 321.5 7.0 46.9 43 1913 01 41 09 01 41 59 --- 18 29 23 37.6 321.6 7.0 46.8 50 1919 01 41 10 01 41 59 ARP299 18 29 23 37.0 320.8 7.0 46.4 -17 1919 No stop 01 47 17 --- 18 34 42 36.5 321.4 7.1 45.6 301 1960 01 42 00 01 49 14 ARP299 18 36 40 36.3 321.6 7.1 45.3 110 1960 01 49 14 01 54 34 --- 18 42 01 35.8 322.2 7.2 44.6 320 2001 01 49 15 01 55 34 J1128+5925 18 43 01 36.3 323.1 7.2 44.8 43 2001 01 55 34 01 56 24 --- 18 43 51 36.2 323.2 7.2 44.7 50 2007 01 55 35 01 56 24 ARP299 18 43 51 35.7 322.4 7.2 44.3 -17 2007 No stop 02 01 42 --- 18 49 10 35.2 323.0 7.3 43.5 301 2048 01 56 25 Schedule for JODRELL1 (Code Jb ) Page 7 6cm global VLBI observations of Arp299 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Sat 6 Jun 2015 Day 157 --- 02 03 39 ARP299 18 51 07 35.0 323.3 7.4 43.2 110 2048 02 03 39 02 08 59 --- 18 56 28 34.5 323.9 7.5 42.4 320 2089 02 03 40 02 09 59 J1128+5925 18 57 28 35.1 324.7 7.5 42.6 43 2089 02 09 59 02 10 49 --- 18 58 18 35.0 324.8 7.5 42.5 50 2095 02 10 00 02 10 49 ARP299 18 58 18 34.4 324.1 7.5 42.2 -17 2095 No stop 02 16 07 --- 19 03 37 33.9 324.7 7.6 41.4 301 2136 02 10 50 02 18 04 ARP299 19 05 34 33.7 -35.0 7.6 W 41.1 -1327 2136 02 18 04 02 23 24 --- 19 10 55 33.3 -34.4 7.7 W 40.3 0 2177 02 18 05 02 24 24 J1128+5925 19 11 55 33.8 -33.6 7.7 40.5 43 2177 02 24 24 02 25 14 --- 19 12 46 33.8 -33.5 7.7 40.4 50 2184 02 24 25 02 25 14 3C286 19 12 46 26.7 -74.0 5.7 41.9 -176 2184 No stop 02 30 00 --- 19 17 32 26.0 -73.2 5.8 41.6 110 2220 02 25 15 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess215.C1024glob --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 15 Station: JODRELL1 Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 4840.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 3 Setup file default. Used with PCAL = off LO sum= 4940.75 4940.75 4940.75 4940.75 4972.75 4972.75 4972.75 4972.75 5019.25 5019.25 5019.25 5019.25 5051.25 5051.25 5051.25 5051.25 BBC fr= 100.75 100.75 100.75 100.75 132.75 132.75 132.75 132.75 179.25 179.25 179.25 179.25 211.25 211.25 211.25 211.25 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 3 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * ARP299 11 25 44.174219 * 11 28 33.622010 11 29 24.944341 0.00 58 50 18.17319 * 58 33 46.61000 58 28 54.23793 0.00 From catalog imbedded in main SCHED input file. * J1128+5925 11 25 23.181652 * 11 28 13.340676 11 29 04.838158 0.00 59 41 46.14397 * 59 25 14.79866 59 20 22.65881 0.00 From catalog imbedded in main SCHED input file. * 4C39.25 09 23 55.319215 * 09 27 03.013936 09 27 59.760513 0.30 J0927+3902 39 15 23.56645 * 39 02 20.85186 38 58 21.00779 0.16 0923+392 /Users/torres/sched_11.4/catalogs/sources.gsfc J0927+39 GSFC 2015a astro solution, unpublished 245753 observations. * 3C286 13 28 49.657758 * 13 31 08.288051 13 31 51.681423 0.18 J1331+3030 30 45 58.64059 * 30 30 32.95924 30 25 57.59156 0.17 1328+307 /Users/torres/sched_11.4/catalogs/sources.gsfc J1331+30 GSFC 2015a astro solution, unpublished 225 observations. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline ARP299 sess215.C1024glob 1 2 3 4 6 7 8 10 11 12 4.253 399.529 J1128+5925 sess215.C1024glob 1 2 3 4 6 7 8 10 11 12 1.467 105.695 4C39.25 sess215.C1024glob 1 2 3 4 6 7 8 10 11 12 0.078 6.876 3C286 sess215.C1024glob 1 3 4 6 7 8 10 11 12 0.079 2.764 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) ARP299 75.2 J1128+5925 74.9 4C39.25 59.5 3C286 108.0 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg